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Abstract #2775

Virtual Scanner 2.0: enabling the MR digital twin

Gehua Tong1, John Thomas Vaughan, Jr. 2, and Sairam Geethanath2
1Biomedical Engineering, Columbia University, New York, NY, United States, 2Columbia Magnetic Resonance Research Center, Columbia University, New York, NY, United States


Virtual Scanner is an open-source MR platform for end-to-end simulation and serves as a digital twin for real MR scanners in hardware and software aspects. In this update, we present new functions including RF pulse design and simulation, hardware-incorporated Bloch simulation that takes into account B0 and B1- fields, and non-Cartesian reconstruction. Three Google Colab notebooks are provided to demonstrate these functions and enable users to perform virtual experiments in a zero-footprint manner. Furthermore, we demonstrate the digital twin concept in a development iteration case using the SPGR sequence.

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